SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
m-plan.de
SSL/TLS Certificate
SSL/TLS Certificate for m-plan.de
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- *.m-plan.de
- Valid from
- Jun 11, 2026
- Valid until
- Sep 9, 2026 (49 days remaining)
- Public key
- EC 384-bit
- Serial
- 05C0EBF6499F002ED34F5C7908324A90DEEA
- SHA-256 fingerprint
- 4A:CA:79:28:81:22:B2:29:2B:01:C1:FD:A3:22:FB:D4:73:58:23:77:61:17:3C:FD:DC:52:BA:92:F6:DF:17:B7
- Chain
- YE2 → Root YE → ISRG Root X2 → ISRG Root X1
Certificate Authority Authorization (CAA)
The serving CA (Let's Encrypt) is authorized by this domain's CAA records (letsencrypt.org, sectigo.com).